Tōa Kenkyūjo (Tokyo, Japan)

• Annan shi kōgi
• Beikoku taishi tetsudō shakkanhyō
• Biruma chimei yōran
• Biruma no nōsan shigen
• Chizu shozō kasho chōsahyō
• Dai Tōa Nanpōken chimei sakuinshū
• Daihachi Chōsa Iinkai setchi yōkō
• Daihachi Chōsa Iinkai setchi yōkō (an)
• Doitsu taishi tetsudō shakkanhyō
• Eikō dochaku minzoku shihon no kenkyū
• Eikoku no taishi tetsudō kenʼeki
• Furansu gunji mondai (hon'yaku)